class_docstr: Lemmatizer for identifying roman numerals in Latin text based on
  regex.
  
  >>> lemmatizer = RomanNumeralLemmatizer()
  >>> lemmatizer.lemmatize("i ii iii iv v vi vii vii ix x xx xxx xl l lx c cc".split())
  [('i', 'NUM'), ('ii', 'NUM'), ('iii', 'NUM'), ('iv', 'NUM'), ('v', 'NUM'), ('vi', 'NUM'), ('vii', 'NUM'), ('vii', 'NUM'), ('ix', 'NUM'), ('x', 'NUM'), ('xx', 'NUM'), ('xxx', 'NUM'), ('xl', 'NUM'), ('l', 'NUM'), ('lx', 'NUM'), ('c', 'NUM'), ('cc', 'NUM')]
  
  >>> lemmatizer = RomanNumeralLemmatizer(default="RN")
  >>> lemmatizer.lemmatize('i ii iii'.split())
  [('i', 'RN'), ('ii', 'RN'), ('iii', 'RN')]
class_docstr_tok: ["Lemmatizer","for","identifying","roman","numerals","in","Latin","text","based","on","regex",".",">",">",">","lemmatizer","=","RomanNumeralLemmatizer","(",")",">",">",">","lemmatizer.lemmatize","(","``","i","ii","iii","iv","v","vi","vii","vii","ix","x","xx","xxx","xl","l","lx","c","cc","''",".split","(",")",")","[","(","'","i","'",",","'NUM","'",")",",","(","'ii","'",",","'NUM","'",")",",","(","'iii","'",",","'NUM","'",")",",","(","'iv","'",",","'NUM","'",")",",","(","'","v","'",",","'NUM","'",")",",","(","'vi","'",",","'NUM","'",")",",","(","'vii","'",",","'NUM","'",")",",","(","'vii","'",",","'NUM","'",")",",","(","'ix","'",",","'NUM","'",")",",","(","'","x","'",",","'NUM","'",")",",","(","'xx","'",",","'NUM","'",")",",","(","'xxx","'",",","'NUM","'",")",",","(","'xl","'",",","'NUM","'",")",",","(","'","l","'",",","'NUM","'",")",",","(","'lx","'",",","'NUM","'",")",",","(","'","c","'",",","'NUM","'",")",",","(","'cc","'",",","'NUM","'",")","]",">",">",">","lemmatizer","=","RomanNumeralLemmatizer","(","default=","''","RN","''",")",">",">",">","lemmatizer.lemmatize","(","'","i","ii","iii'.split","(",")",")","[","(","'","i","'",",","'RN","'",")",",","(","'ii","'",",","'RN","'",")",",","(","'iii","'",",","'RN","'",")","]"]
code: def __repr__(self):
      return f"<{type(self).__name__}: CLTK Roman Numeral Patterns>"
  
file_path: cltk/src/cltk/lemmatize/lat.py
imports: import os
  import re
  from typing import List
  from cltk.lemmatize.backoff import DefaultLemmatizer, DictLemmatizer, IdentityLemmatizer, RegexpLemmatizer, UnigramLemmatizer
  from cltk.utils import CLTK_DATA_DIR
  from cltk.utils.file_operations import open_pickle
label_desc: Use image node_id 3 for calling the RomanNumeralLemmatizer obj's underlying member method code with example usage: obj.__repr__() and returns: str, type, str